CN1585508A - Method for building point-to-point channel lead-in identifier for MBMS - Google Patents
Method for building point-to-point channel lead-in identifier for MBMS Download PDFInfo
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- CN1585508A CN1585508A CN 03154977 CN03154977A CN1585508A CN 1585508 A CN1585508 A CN 1585508A CN 03154977 CN03154977 CN 03154977 CN 03154977 A CN03154977 A CN 03154977A CN 1585508 A CN1585508 A CN 1585508A
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Abstract
The method includes following steps: when RNC builds a point to point channel for MBMS service and transmits the message of building radio carrying to UE, the service id of the service and the SM-RNTI assigned to the service should be informed to UE; UE stores the mapping relation between SM-RNTI and service id.
Description
Technical field
The present invention relates to third generation communication, introduce the method for new logo when particularly setting up the point-to-point channel for MBMS.
Background technology
MBMS is formulating relevant criterion for it to carry out a standardized new business in the 3-G (Generation Three mobile communication system) partner program.The MBMS business is a kind of unidirectional point to the business of multipoint system (promptly broadcasting out multi-medium data from single data source is sent to a plurality of users through Network Transmission and receives).The maximum characteristics of this business are that it can effectively utilize Radio Resource and Internet resources.The MBMS business is mainly used in the wireless communication network system, as Wideband Code Division Multiple Access (WCDMA) communication system, and global system for mobile communications etc.The transmission of business datum will be passed through basically among the MBMS: transmission in data source transmission, go-between transmission, the purpose cell null, user receive such plurality of processes.Fig. 3 is a wireless communication system logical network equipment drawing that the MBMS business can be provided, and in fact MBMS has utilized general grouped wireless data service (hereinafter to be referred as GPRS) network as core transport network in the figure.As shown in Figure 3, broadcasting and multicast service center (hereinafter to be referred as BM-SC) are the data sources that sends the MBMS business datum; Gateway GPRS Support Node (hereinafter to be referred as GGSN) is used for being connected of GRPS network and external network (as the INTERNET network); Gateway GPRS Support Node connects BM-SC and the MBMS data is sent to specific Serving GPRS Support Node (hereinafter to be referred as SGSN) in the MBMS business; CBC is the data source of Cell Broadcast CB, by with CBC and BM-SC interconnection, makes CBC that MBMS can be provided professional declaration function in MBMS; SGSN is used for that UE is carried out access control and mobile management and simultaneously the MBMS data of coming from GGSN is sent to specific radio-cell controller (hereinafter to be referred as RNC); RNC is used for controlling one group of base station and multi-medium data is sent to specific base stations; Aerial physical channel is set up for the MBMS business of certain sub-district in the base station under the control of RNC; Subscriber terminal equipment (hereinafter to be referred as UE) is the terminal equipment that receives the MBMS data.
Provided the MBMS business among Fig. 4 and be established to all processes that end user is left from business declaration, user's adding, service announcements, radio bearer.
401 subscribe to the contact of setting up between user and the service provider, and authorized user can receive relevant MBMS service.
The MBMS business that 402 professional declarations notify the user to provide.For example, system in the afternoon 7:00 relay a football match in areas of Beijing.
403 add the expression users adds a group, promptly the user tell network he or she be ready to receive this multicast service.
The 404MBMS session begins to represent that being established as the MBMS transfer of data sets up Internet resources.
The 405MBMS notice is informed the MBMS transfer of data that the user will carry out at once.
406 data transfer representation MBMS business data transmission are to user's process.
The 407MBMS conversation end is represented after the MBMS business data transmission is finished, releasing network resources.
408 leave and add correspondingly with 403, and the expression user will leave a group, does not promptly rethink to receive certain professional data.
MBMS is professional to allow a plurality of business to be mapped on the transmission channel in the multiplexing mode of logic channel, and the introducing of multiast radio network temporary mark M-RNTI makes this multiplexing possibility that becomes.And between the radio resource control RRC signaling between radio network controller and the subscriber equipment, also can use this M-RNTI as signaling sign at a business.That is to say that if comprise M-RNTI in the RRC signaling, the subscriber equipment that receives this message so just can know whether this signaling is the business that adds at oneself.Mapping relations between M-RNTI and the MBMS service identification can be when business begins, by multicast control channel MCCH notifying user equipment UE.UE knows the mapping relations between M-RNTI and the MBMS service identification, and it can be according to signaling with the MBMS service identification, and the transmission channel and the physical channel of radio bearer and radio bearer mapping are mapped one by one.When UE received data from Network Transmission, by separating the head of parsing MAC layer, UE just knew the business whether these data to one's name subscribe to.If, know the corresponding service sign by M-RNTI, then will be to service identification corresponding application program contour level agreement with data.Like this, could guarantee the transmission that the MBMS data are correct.
Clearly describe the MBMS data in the prior art and put the method how process transmitted on the multidrop channel and UE give data delivery on the upper strata according to M-RNTI.Yet, how data delivery is not provided any solution to the upper strata when the point-to-point channel for the MBMS data.It is different that MBMS utilizes point-to-point channel transmission and traditional point-to-point service data transmission procedure.Traditional point-to-point service UE when activating service can give Network Service Access Point Identifier NSAPI of this traffic assignments, and this NSAPI is corresponding to the attributes such as address of a business.And when carrying out transfer of data, this NSAPI can be delivered to UE from core net with RAB RAB label manner.Make UE business can be identified from RAB like this, the transmission channel of radio bearer and radio bearer mapping, physical channel is mapped one by one, thereby guarantees that data correctly are delivered to the upper strata.But in the time of the MBMS activation of service, the public RAB sign of neither one can be used for allowing all UE identify certain MBMS business, that is to say that UE can only use service identification that business and radio bearer etc. is connected, know by service identification and give that application program data delivery.Here said service identification refers to IP multicast address and APN.When so each radio network controller (RNC) will be set up the MBMS dedicated channel to UE, all need in signaling, transport service identify, so that UE can know that this message is at that business.IP multicast address in the service identification has 128 bits according to the requirement of Ipv6, because the resource of control interface and limited, therefore will avoid transmitting the service identification of length like this as far as possible.
Summary of the invention
The purpose of this invention is to provide a kind of method of introducing new logo when setting up the point-to-point channel for MBMS, this sign is used for distinguishing sets up the signaling when removing and reshuffling MBMS point-to-point channel.
For achieving the above object, a kind of method of introducing new logo when setting up the point-to-point channel for MBMS comprises step:
When RNC is that a MBMS business is set up point-to-point channel and sent when setting up radio bearer and setting up message to UE, and be the SM-RNTI notice UE of this traffic assignments with service identification that should business;
UE preserves the mapping relations between SM-RNTI and the service identification.
The present invention has provided a kind of a kind of sign that is used for identification service when point-to-point channel is operated, and can shorten the number of times that service identification transmits on the interface aloft by this sign, thereby reduces the data volume on the air interface.
Description of drawings
Fig. 1 is a MBMS channel switch process;
Fig. 2 is the behavior of SRNC node action;
Fig. 3 is a MBMS system configuration schematic diagram;
Fig. 4 is a MBMS multicast service flow process;
Fig. 5 is the behavior of UE node action.
Embodiment
Below, describe the correct example of the present invention in detail with reference to additional figure.Below only describe understanding the necessary part of this explanation, to understand in order giving top priority to what is the most important and to omit to some extent other part.
What Fig. 1 described is how UE utilizes SM-RNTI and CM-RNTI to carry out radio bearer foundation and release.
101 UE of last figure originally were in idle condition, for the needs of RNC statistics number of users, set up RRC between UE and the RNC and were connected.This moment, SRNC and the CRNC of this UE were together.After RNC has added up number of users, find that number of users surpasses point-to-point channel and the critical value of putting the multidrop channel conversion, 102 RNC just decision are providing business to the multicast communication pattern for the MBMS user of this sub-district with point.103RNC broadcasts the channel type that service will be provided for this business on multicast control channel MCCH, this message is " indication of MBMS channel type ", and channel type arrives multiple spot, i.e. PTM mode for point.In this message, RNC can tell that UERNC is the CM-RNTI of this traffic assignments simultaneously.CM-RNTI is the same with M-RNTI function of the prior art, is used for making the user can distinguish different business, and can be used in the signaling this message of sign at that business.Thereby the user learns the mapping relations between MBMS service identification and the CM-RNTI.In the signaling or data that UE receives, by CM-RNTI, UE just can know that this signaling or data are at that business afterwards.104RNC sends " foundation of MBMS radio bearer " message to UE, comprises CM-RNTI and radio bearer sign in this message, radio bearer mapping relations, transmitting channel information, physic channel information.It is at that service identification that CM-RNTI is used for identifying this signaling.Mapping relations between service identification and the CM-RNTI obtain in 103.UE is common signal channel according to setting up starting point about the parameter of radio bearer in 104 to multiple spot, thereby can receive the MBMS data on this channel.Be lower than point-to-point channel and the critical value of putting the multidrop channel conversion when RNC finds number of users in this sub-district, 105RNC just decision is providing business with the point-to-point transmission mode for the MBMS user of this sub-district.The channel type that 106RNC changes in " indication of MBMS channel type " is a point-to-point mode.After UE received this message, the discovery channel type was a point-to-point mode, if the regulation UE of system can monitor MCCH under the CELL_DCH state, UE just skips 107 so, went up the control signaling that sends otherwise UE stops to monitor MCCH.108UE receives " radio bearer foundation " message that RNC sends, and comprises service identification in this message, SM-RNTI, radio bearer sign, radio bearer mapping relations, transmitting channel information and physic channel information.UE receives after this message, preserves the mapping relations between SM-RNTI and the service identification.This SM-RNTI can be identical with the CM-RNTI of this RNC, also can be the new sign that RNC distributes for this UE.If the new sign that RNC is UE to be distributed, this sign can be than the CM-RNTI much shorter of RNC, and should sign only effective to a UE.If the SRNC of UE and CRNC are RNC, SRNC can utilize CM-RNTI to use as service identification in this message so, be that this message comprises CM-RNTI, SM-RNTI and radio bearer information, thus make UE know mapping relations between this SM-RNTI and the service identification.UE should preserve this mapping relations always, withdraws from connection status up to UE.109UE sends " radio bearer is set up and finished " message to RNC, and notice RNC subscriber equipment has been finished the configuration of MBMS point-to-point channel, can receive the MBMS data on this radio bearer.If the 110 regulation UE of system can monitor MCCH under the CELL_DCH state, RNC sends " release of MBMS radio bearer " message to UE, wherein comprises CM-RNTI, the radio bearer sign.UE receives this message or UE finishes after 109, deletes original MBMS point to the multiple spot configuration of common channel with regard to 111.112UE moves to other cell edges, reports the signal quality of receiving to SRNC.After SRNC received this message, " MBMS adhered to request information to send 113 to the DRNC at place, purpose sub-district.Comprise service identification in this message, CM-RNTI1, UE sign and radio bearer request indication.After DRNC received this message, it will preserve the mapping relations between service identification and the CM-RNTI1, and will go in this its business contexts for this business foundation of UE sign adding.If the radio bearer request is designated as very, in 114 " MBMS adheres to response " message, should comprise the PTM beared information so.In 114 message, also should comprise CM-RNTI1, CM-RNTI2, user ID and channel type.In this example, channel type is set to PTM.115SRNC sends " radio bearer is reshuffled " message to UE, this message comprises SM-RNTI, discharge at this professional MBMS radio bearer, the UE signaling bear that reconfigures, the CM-RNTI of this business in DRNC, also have from DRNC pass over 114 the radio bearer information of MBMSPTM channel.After UE received this message, 116 utilized the configuration of MBMS PTM channel to replace the point-to-point carrying for identifying with SM-RNTI in the past.UE finishes after the new configuration, and 117 to RNC transmission " radio bearer is reshuffled and finished " message.118DRNC finds that number of users in this sub-district is lower than point-to-point channel and the critical value of putting the multidrop channel conversion, and DRNC just decision is providing business with the point-to-point transmission mode for the MBMS user of this sub-district.UE can receive 119 by the message " MBMS channel type indication " of DRNC to all UE transmissions.This message comprises service identification, CM-RNTI and channel type, and channel type wherein is set to point-to-point.If the 119 regulation UE of system can monitor MCCH under the CELL_DCH state, so just skip 120.Otherwise UE will stop to monitor MCCH 120.When DRNC determine will channel type be set to point-to-point after, 121DRNC sends " request of the MBMS PTM end of transmission " to SRNC, this message comprises CM-RNTI1, the user ID tabulation, channel type, channel type is set to point-to-point.After SRNC receives this message, for each subscriber equipment is set up point-to-point channel.SRNC sets up now Radio Link as the transmission channel of data later between it and the DRNC.123SRNC sends message and gives subscriber equipment to " radio bearer foundation ", and this message comprises SM-RNTI, radio bearer sign, radio bearer mapping, transmitting channel information and physic channel information.The mapping of SM-RNTI and service identification is notice UE in 108.UE sends message 124 " radio bearer is set up and finished " to SRNC then according to the parameter configuration dedicated channel in this message.After receiving this message of returning from all UE as SRNC, SRNC sends 125 " responses of the MBMSPTM end of transmission " to DRNC, and message comprises CM-RNTI2.After DRNC received this message, if the regulation UE of system can monitor MCCH under the CELL_DCH state, 126DRNC just sent " release of MBMS radio bearer " on MCCH, wherein comprise CM-RNTI and radio bearer sign.After UE receives this message, with regard to the corresponding radio bearer of 127 deletions.Perhaps UE is after sending 124, and just deletion is originally at this professional PTM configuration.
The node processing flow process of SRNC
Fig. 2 has described SRNC node processing process.201 stage SRNC receive next message or statistics number of users from DRNC, and decision will send control signaling to UE.202 stages judged whether to send MBMS control signaling at DCCH to this UE, if then forward 203 to, otherwise go back to 201.Whether 203 stage SRNC inspection UE has had is the SM-RNTI of this traffic assignments.If then forward 204 to, otherwise forward 205 to.In 204 stages, SRNC is to the UE message that sends control signaling, in this message with SM-RNTI as sign to the MBMS business.In 205 stages, SRNC selects a SM-RNTI or regenerates a SM-RNTI for this UE, tells UE at SM-RNTI and service identification that 206 stages are new with this in signaling.The message that SRNC sends to UE may be that radio bearer is set up, and radio bearer is reshuffled or the relevant message that sends on DCCH with the MBMS business such as radio bearer release.
The node processing flow process of UE
501 stage of the processing procedure UE that Fig. 5 has described UE receives message from SRNC.502 stages judged in the message that receives whether comprise SM-RNTI, if then turn to 503, otherwise turn to 501.503 stages, judge the mapping relations that whether comprise in the message between service identification and the SM-RNTI, if having, then turn to 504, otherwise turn to 505.In 504 stages, UE preserves the mapping relations between service identification and the SM-RNTI, and these mapping relations have only as UE and withdraw from connection mode and just delete when entering idle pulley.In 505 stages, UE utilizes the relation between SM-RNTI and the service identification, and the corresponding business channel is operated.The message that UE receives might be that radio bearer is set up, and radio bearer is reshuffled or the relevant message that sends on DCCH with the MBMS business such as radio bearer release.
Claims (7)
1. method of introducing new logo when setting up the point-to-point channel for MBMS comprises step:
When RNC is that a MBMS business is set up point-to-point channel and sent when setting up radio bearer and setting up message to UE, and be the SM-RNTI notice UE of this traffic assignments with service identification that should business;
UE preserves the mapping relations between SM-RNTI and the service identification.
2. method according to claim 1 is characterized in that: described RNC is that to set up point-to-point channel be that for the first time point-to-point is set up channel to a MBMS business.
3. method according to claim 1 is characterized in that: described service identification and SM-RNTI can be identical or different.
4. method according to claim 1 is characterized in that: described SM-RNTI is shorter than service identification.
5. method according to claim 1 is characterized in that: described SM-RNTI is only effective to a UE.
6. method according to claim 1 is characterized in that also comprising step:
When later RNC reconfigures for the MBMS point-to-point channel of this UE, discharge or when setting up, can only notify the SM-RNTI of UE, and do not need to notify once more UE service identification that should business.
7. method according to claim 6 is characterized in that: described reconfiguring discharges or sets up and comprise SM-RNTI in the message.
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| CN 03154977 CN1585508A (en) | 2003-08-19 | 2003-08-19 | Method for building point-to-point channel lead-in identifier for MBMS |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006034660A1 (en) * | 2004-09-30 | 2006-04-06 | Huawei Technologies Co., Ltd. | Method and apparatus of service identifying and routing in multimedia broadcast/multicast service system |
| WO2007025464A1 (en) * | 2005-09-02 | 2007-03-08 | Huawei Technologies Co., Ltd. | A method and apparatus for responding mbms point to point connect establismenth request |
| CN101772966A (en) * | 2007-06-18 | 2010-07-07 | 诺基亚公司 | Be used for providing the method for a plurality of services |
| CN101043728B (en) * | 2006-03-24 | 2010-07-14 | 华为技术有限公司 | Multimedia broadcast/multicast service channel types notifying method and system |
| CN101808281A (en) * | 2009-02-12 | 2010-08-18 | 中兴通讯股份有限公司 | Method, system and device for transmitting MBMS (Multimedia Broadcast Multicast Service) control signaling scheduling information |
| CN102165725A (en) * | 2009-05-21 | 2011-08-24 | 华为技术有限公司 | Method and apparatus for obtaining the multicast resource in the mixed carrier |
| CN101365159B (en) * | 2007-08-08 | 2011-11-16 | 华为技术有限公司 | Bearing identification processing method and apparatus |
| CN101668246B (en) * | 2008-09-05 | 2012-09-05 | 中兴通讯股份有限公司 | Notification method for service area adjustment and wireless network controller |
| CN112189372A (en) * | 2018-05-25 | 2021-01-05 | 高通股份有限公司 | Mixed mode multicast architecture |
| US12126462B2 (en) | 2018-05-25 | 2024-10-22 | Qualcomm Incorporated | Mixed mode multicast architecture |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006034660A1 (en) * | 2004-09-30 | 2006-04-06 | Huawei Technologies Co., Ltd. | Method and apparatus of service identifying and routing in multimedia broadcast/multicast service system |
| US8325641B2 (en) | 2004-09-30 | 2012-12-04 | Huawei Technologies Co., Ltd | Method and apparatus for service identifying and routing in multimedia broadcast/multicast service system |
| WO2007025464A1 (en) * | 2005-09-02 | 2007-03-08 | Huawei Technologies Co., Ltd. | A method and apparatus for responding mbms point to point connect establismenth request |
| CN101043728B (en) * | 2006-03-24 | 2010-07-14 | 华为技术有限公司 | Multimedia broadcast/multicast service channel types notifying method and system |
| CN101772966A (en) * | 2007-06-18 | 2010-07-07 | 诺基亚公司 | Be used for providing the method for a plurality of services |
| US8948072B2 (en) | 2007-06-18 | 2015-02-03 | Nokia Corporation | Method for providing a plurality of services |
| CN101365159B (en) * | 2007-08-08 | 2011-11-16 | 华为技术有限公司 | Bearing identification processing method and apparatus |
| CN101668246B (en) * | 2008-09-05 | 2012-09-05 | 中兴通讯股份有限公司 | Notification method for service area adjustment and wireless network controller |
| CN101808281A (en) * | 2009-02-12 | 2010-08-18 | 中兴通讯股份有限公司 | Method, system and device for transmitting MBMS (Multimedia Broadcast Multicast Service) control signaling scheduling information |
| CN101808281B (en) * | 2009-02-12 | 2014-12-10 | 中兴通讯股份有限公司 | Method, system and device for transmitting MBMS (Multimedia Broadcast Multicast Service) control signaling scheduling information |
| WO2010091608A1 (en) * | 2009-02-12 | 2010-08-19 | 中兴通讯股份有限公司 | Method, system and apparatus for transmitting a scheduling information of mbms control signaling |
| CN102165725A (en) * | 2009-05-21 | 2011-08-24 | 华为技术有限公司 | Method and apparatus for obtaining the multicast resource in the mixed carrier |
| CN102165725B (en) * | 2009-05-21 | 2016-05-25 | 华为技术有限公司 | Know the method and apparatus of multicast resource in mixed carrier |
| CN112189372A (en) * | 2018-05-25 | 2021-01-05 | 高通股份有限公司 | Mixed mode multicast architecture |
| US11870599B2 (en) | 2018-05-25 | 2024-01-09 | Qualcomm Incorporated | Mixed mode multicast architecture |
| CN112189372B (en) * | 2018-05-25 | 2024-03-22 | 高通股份有限公司 | Hybrid mode multicast architecture |
| US12126462B2 (en) | 2018-05-25 | 2024-10-22 | Qualcomm Incorporated | Mixed mode multicast architecture |
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